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Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r--fs/gfs2/inode.c106
1 files changed, 73 insertions, 33 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index acca501f8110..4e971b1c7f92 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -18,7 +18,7 @@
#include <linux/posix_acl.h>
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
-#include <linux/fiemap.h>
+#include <linux/iomap.h>
#include <linux/security.h>
#include <linux/uaccess.h>
@@ -109,7 +109,7 @@ static void gfs2_set_iop(struct inode *inode)
* @no_addr: The inode number
* @no_formal_ino: The inode generation number
* @blktype: Requested block type (GFS2_BLKST_DINODE or GFS2_BLKST_UNLINKED;
- * GFS2_BLKST_FREE do indicate not to verify)
+ * GFS2_BLKST_FREE to indicate not to verify)
*
* If @type is DT_UNKNOWN, the inode type is fetched from disk.
*
@@ -145,7 +145,6 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
if (unlikely(error))
goto fail;
flush_delayed_work(&ip->i_gl->gl_work);
- glock_set_object(ip->i_gl, ip);
error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
if (unlikely(error))
@@ -170,11 +169,11 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
}
}
+ glock_set_object(ip->i_gl, ip);
set_bit(GIF_INVALID, &ip->i_flags);
error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh);
if (unlikely(error))
goto fail_put;
- flush_delayed_work(&ip->i_iopen_gh.gh_gl->gl_work);
glock_set_object(ip->i_iopen_gh.gh_gl, ip);
gfs2_glock_put(io_gl);
io_gl = NULL;
@@ -190,7 +189,8 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
gfs2_set_iop(inode);
- inode->i_atime.tv_sec = 0;
+ /* Lowest possible timestamp; will be overwritten in gfs2_dinode_in. */
+ inode->i_atime.tv_sec = 1LL << (8 * sizeof(inode->i_atime.tv_sec) - 1);
inode->i_atime.tv_nsec = 0;
unlock_new_inode(inode);
@@ -202,14 +202,14 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
fail_refresh:
ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
- glock_set_object(ip->i_iopen_gh.gh_gl, NULL);
+ glock_clear_object(ip->i_iopen_gh.gh_gl, ip);
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
fail_put:
if (io_gl)
gfs2_glock_put(io_gl);
+ glock_clear_object(ip->i_gl, ip);
if (gfs2_holder_initialized(&i_gh))
gfs2_glock_dq_uninit(&i_gh);
- glock_set_object(ip->i_gl, NULL);
fail:
iget_failed(inode);
return ERR_PTR(error);
@@ -706,8 +706,9 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl);
if (error)
goto fail_free_inode;
-
+ flush_delayed_work(&ip->i_gl->gl_work);
glock_set_object(ip->i_gl, ip);
+
error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);
if (error)
goto fail_free_inode;
@@ -775,14 +776,17 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
return error;
fail_gunlock3:
+ glock_clear_object(io_gl, ip);
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
gfs2_glock_put(io_gl);
fail_gunlock2:
if (io_gl)
clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
fail_free_inode:
- if (ip->i_gl)
+ if (ip->i_gl) {
+ glock_clear_object(ip->i_gl, ip);
gfs2_glock_put(ip->i_gl);
+ }
gfs2_rsqa_delete(ip, NULL);
fail_free_acls:
if (default_acl)
@@ -1983,6 +1987,7 @@ static int gfs2_getattr(const struct path *path, struct kstat *stat,
struct inode *inode = d_inode(path->dentry);
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
+ u32 gfsflags;
int error;
gfs2_holder_mark_uninitialized(&gh);
@@ -1992,13 +1997,30 @@ static int gfs2_getattr(const struct path *path, struct kstat *stat,
return error;
}
+ gfsflags = ip->i_diskflags;
+ if (gfsflags & GFS2_DIF_APPENDONLY)
+ stat->attributes |= STATX_ATTR_APPEND;
+ if (gfsflags & GFS2_DIF_IMMUTABLE)
+ stat->attributes |= STATX_ATTR_IMMUTABLE;
+
+ stat->attributes_mask |= (STATX_ATTR_APPEND |
+ STATX_ATTR_COMPRESSED |
+ STATX_ATTR_ENCRYPTED |
+ STATX_ATTR_IMMUTABLE |
+ STATX_ATTR_NODUMP);
+
generic_fillattr(inode, stat);
+
if (gfs2_holder_initialized(&gh))
gfs2_glock_dq_uninit(&gh);
return 0;
}
+const struct iomap_ops gfs2_iomap_ops = {
+ .iomap_begin = gfs2_iomap_begin,
+};
+
static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len)
{
@@ -2006,41 +2028,59 @@ static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
struct gfs2_holder gh;
int ret;
- ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC);
- if (ret)
- return ret;
-
- inode_lock(inode);
+ inode_lock_shared(inode);
ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
if (ret)
goto out;
- if (gfs2_is_stuffed(ip)) {
- u64 phys = ip->i_no_addr << inode->i_blkbits;
- u64 size = i_size_read(inode);
- u32 flags = FIEMAP_EXTENT_LAST|FIEMAP_EXTENT_NOT_ALIGNED|
- FIEMAP_EXTENT_DATA_INLINE;
- phys += sizeof(struct gfs2_dinode);
- phys += start;
- if (start + len > size)
- len = size - start;
- if (start < size)
- ret = fiemap_fill_next_extent(fieinfo, start, phys,
- len, flags);
- if (ret == 1)
- ret = 0;
- } else {
- ret = __generic_block_fiemap(inode, fieinfo, start, len,
- gfs2_block_map);
- }
+ ret = iomap_fiemap(inode, fieinfo, start, len, &gfs2_iomap_ops);
gfs2_glock_dq_uninit(&gh);
+
out:
- inode_unlock(inode);
+ inode_unlock_shared(inode);
return ret;
}
+loff_t gfs2_seek_data(struct file *file, loff_t offset)
+{
+ struct inode *inode = file->f_mapping->host;
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ loff_t ret;
+
+ inode_lock_shared(inode);
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ if (!ret)
+ ret = iomap_seek_data(inode, offset, &gfs2_iomap_ops);
+ gfs2_glock_dq_uninit(&gh);
+ inode_unlock_shared(inode);
+
+ if (ret < 0)
+ return ret;
+ return vfs_setpos(file, ret, inode->i_sb->s_maxbytes);
+}
+
+loff_t gfs2_seek_hole(struct file *file, loff_t offset)
+{
+ struct inode *inode = file->f_mapping->host;
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ loff_t ret;
+
+ inode_lock_shared(inode);
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ if (!ret)
+ ret = iomap_seek_hole(inode, offset, &gfs2_iomap_ops);
+ gfs2_glock_dq_uninit(&gh);
+ inode_unlock_shared(inode);
+
+ if (ret < 0)
+ return ret;
+ return vfs_setpos(file, ret, inode->i_sb->s_maxbytes);
+}
+
const struct inode_operations gfs2_file_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-07 01:45:33 +0000