forked from luck/tmp_suning_uos_patched
GFS2: Move gfs2_refresh_inode() and friends into glops.c
Eventually there will only be a single caller of this code, so lets move it where it can be made static at some future date. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse
parent
94fb763b1a
commit
d4b2cf1b05
113
fs/gfs2/glops.c
113
fs/gfs2/glops.c
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@ -251,6 +251,119 @@ static int inode_go_demote_ok(const struct gfs2_glock *gl)
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return 1;
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}
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/**
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* gfs2_set_nlink - Set the inode's link count based on on-disk info
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* @inode: The inode in question
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* @nlink: The link count
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*
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* If the link count has hit zero, it must never be raised, whatever the
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* on-disk inode might say. When new struct inodes are created the link
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* count is set to 1, so that we can safely use this test even when reading
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* in on disk information for the first time.
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*/
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static void gfs2_set_nlink(struct inode *inode, u32 nlink)
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{
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/*
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* We will need to review setting the nlink count here in the
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* light of the forthcoming ro bind mount work. This is a reminder
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* to do that.
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*/
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if ((inode->i_nlink != nlink) && (inode->i_nlink != 0)) {
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if (nlink == 0)
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clear_nlink(inode);
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else
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inode->i_nlink = nlink;
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}
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}
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static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
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{
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const struct gfs2_dinode *str = buf;
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struct timespec atime;
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u16 height, depth;
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if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr)))
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goto corrupt;
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ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino);
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ip->i_inode.i_mode = be32_to_cpu(str->di_mode);
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ip->i_inode.i_rdev = 0;
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switch (ip->i_inode.i_mode & S_IFMT) {
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case S_IFBLK:
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case S_IFCHR:
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ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major),
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be32_to_cpu(str->di_minor));
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break;
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};
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ip->i_inode.i_uid = be32_to_cpu(str->di_uid);
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ip->i_inode.i_gid = be32_to_cpu(str->di_gid);
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gfs2_set_nlink(&ip->i_inode, be32_to_cpu(str->di_nlink));
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i_size_write(&ip->i_inode, be64_to_cpu(str->di_size));
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gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));
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atime.tv_sec = be64_to_cpu(str->di_atime);
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atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
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if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0)
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ip->i_inode.i_atime = atime;
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ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime);
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ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec);
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ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime);
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ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec);
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ip->i_goal = be64_to_cpu(str->di_goal_meta);
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ip->i_generation = be64_to_cpu(str->di_generation);
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ip->i_diskflags = be32_to_cpu(str->di_flags);
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gfs2_set_inode_flags(&ip->i_inode);
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height = be16_to_cpu(str->di_height);
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if (unlikely(height > GFS2_MAX_META_HEIGHT))
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goto corrupt;
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ip->i_height = (u8)height;
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depth = be16_to_cpu(str->di_depth);
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if (unlikely(depth > GFS2_DIR_MAX_DEPTH))
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goto corrupt;
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ip->i_depth = (u8)depth;
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ip->i_entries = be32_to_cpu(str->di_entries);
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ip->i_eattr = be64_to_cpu(str->di_eattr);
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if (S_ISREG(ip->i_inode.i_mode))
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gfs2_set_aops(&ip->i_inode);
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return 0;
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corrupt:
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gfs2_consist_inode(ip);
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return -EIO;
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}
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/**
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* gfs2_inode_refresh - Refresh the incore copy of the dinode
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* @ip: The GFS2 inode
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*
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* Returns: errno
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*/
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int gfs2_inode_refresh(struct gfs2_inode *ip)
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{
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struct buffer_head *dibh;
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int error;
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error = gfs2_meta_inode_buffer(ip, &dibh);
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if (error)
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return error;
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if (gfs2_metatype_check(GFS2_SB(&ip->i_inode), dibh, GFS2_METATYPE_DI)) {
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brelse(dibh);
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return -EIO;
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}
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error = gfs2_dinode_in(ip, dibh->b_data);
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brelse(dibh);
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clear_bit(GIF_INVALID, &ip->i_flags);
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return error;
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}
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/**
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* inode_go_lock - operation done after an inode lock is locked by a process
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* @gl: the glock
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117
fs/gfs2/inode.c
117
fs/gfs2/inode.c
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@ -35,11 +35,6 @@
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#include "trans.h"
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#include "util.h"
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struct gfs2_inum_range_host {
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u64 ir_start;
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u64 ir_length;
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};
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struct gfs2_skip_data {
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u64 no_addr;
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int skipped;
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@ -248,118 +243,6 @@ struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
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goto fail;
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}
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/**
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* gfs2_set_nlink - Set the inode's link count based on on-disk info
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* @inode: The inode in question
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* @nlink: The link count
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*
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* If the link count has hit zero, it must never be raised, whatever the
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* on-disk inode might say. When new struct inodes are created the link
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* count is set to 1, so that we can safely use this test even when reading
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* in on disk information for the first time.
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*/
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static void gfs2_set_nlink(struct inode *inode, u32 nlink)
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{
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/*
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* We will need to review setting the nlink count here in the
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* light of the forthcoming ro bind mount work. This is a reminder
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* to do that.
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*/
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if ((inode->i_nlink != nlink) && (inode->i_nlink != 0)) {
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if (nlink == 0)
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clear_nlink(inode);
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else
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inode->i_nlink = nlink;
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}
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}
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static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
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{
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const struct gfs2_dinode *str = buf;
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struct timespec atime;
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u16 height, depth;
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if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr)))
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goto corrupt;
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ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino);
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ip->i_inode.i_mode = be32_to_cpu(str->di_mode);
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ip->i_inode.i_rdev = 0;
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switch (ip->i_inode.i_mode & S_IFMT) {
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case S_IFBLK:
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case S_IFCHR:
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ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major),
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be32_to_cpu(str->di_minor));
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break;
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};
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ip->i_inode.i_uid = be32_to_cpu(str->di_uid);
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ip->i_inode.i_gid = be32_to_cpu(str->di_gid);
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gfs2_set_nlink(&ip->i_inode, be32_to_cpu(str->di_nlink));
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i_size_write(&ip->i_inode, be64_to_cpu(str->di_size));
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gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));
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atime.tv_sec = be64_to_cpu(str->di_atime);
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atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
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if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0)
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ip->i_inode.i_atime = atime;
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ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime);
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ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec);
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ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime);
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ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec);
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ip->i_goal = be64_to_cpu(str->di_goal_meta);
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ip->i_generation = be64_to_cpu(str->di_generation);
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ip->i_diskflags = be32_to_cpu(str->di_flags);
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gfs2_set_inode_flags(&ip->i_inode);
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height = be16_to_cpu(str->di_height);
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if (unlikely(height > GFS2_MAX_META_HEIGHT))
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goto corrupt;
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ip->i_height = (u8)height;
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depth = be16_to_cpu(str->di_depth);
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if (unlikely(depth > GFS2_DIR_MAX_DEPTH))
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goto corrupt;
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ip->i_depth = (u8)depth;
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ip->i_entries = be32_to_cpu(str->di_entries);
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ip->i_eattr = be64_to_cpu(str->di_eattr);
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if (S_ISREG(ip->i_inode.i_mode))
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gfs2_set_aops(&ip->i_inode);
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return 0;
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corrupt:
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gfs2_consist_inode(ip);
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return -EIO;
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}
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/**
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* gfs2_inode_refresh - Refresh the incore copy of the dinode
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* @ip: The GFS2 inode
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*
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* Returns: errno
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*/
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int gfs2_inode_refresh(struct gfs2_inode *ip)
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{
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struct buffer_head *dibh;
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int error;
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error = gfs2_meta_inode_buffer(ip, &dibh);
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if (error)
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return error;
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if (gfs2_metatype_check(GFS2_SB(&ip->i_inode), dibh, GFS2_METATYPE_DI)) {
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brelse(dibh);
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return -EIO;
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}
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error = gfs2_dinode_in(ip, dibh->b_data);
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brelse(dibh);
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clear_bit(GIF_INVALID, &ip->i_flags);
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return error;
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}
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struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)
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{
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