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Linux 3.1 compat, vfs_fsync()

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Preferentially use the vfs_fsync() function.  This function was
initially introduced in 2.6.29 and took three arguments.  As
of 2.6.35 the dentry argument was dropped from the function.
For older kernels fall back to using file_fsync() which also
took three arguments including the dentry.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #52
This commit is contained in:
Brian Behlendorf
2011-11-09 12:45:35 -08:00
parent 12ff95ff57
commit 0d0b523728
4 changed files with 248 additions and 147 deletions
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include/linux/file_compat.h
+9 -5
View File
@@ -50,12 +50,16 @@ spl_filp_open(const char *name, int flags, int mode, int *err)
#define spl_filp_poff(f) (&(f)->f_pos)
#define spl_filp_write(fp, b, s, p) (fp)->f_op->write((fp), (b), (s), p)
#ifdef HAVE_3ARGS_FILE_FSYNC
#define spl_filp_fsync(fp, sync) (fp)->f_op->fsync((fp), \
(fp)->f_dentry, sync)
#ifdef HAVE_VFS_FSYNC
# ifdef HAVE_2ARGS_VFS_FSYNC
# define spl_filp_fsync(fp, sync) vfs_fsync(fp, sync)
# else
# define spl_filp_fsync(fp, sync) vfs_fsync(fp, (fp)->f_dentry, sync)
# endif /* HAVE_2ARGS_VFS_FSYNC */
#else
#define spl_filp_fsync(fp, sync) (fp)->f_op->fsync((fp), sync)
#endif
# include <linux/buffer_head.h>
# define spl_filp_fsync(fp, sync) file_fsync(fp, (fp)->f_dentry, sync)
#endif /* HAVE_VFS_FSYNC */
#ifdef HAVE_INODE_I_MUTEX
#define spl_inode_lock(ip) (mutex_lock(&(ip)->i_mutex))